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Патент USA US3039259

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June 19, 1962
N. J. BOUCHARD
- 3,039,249
TAPE WRAPPING MACHINES
Filed June 8, 1959
s Sheets-Sheet 1
FIG.|
INVEN TOR.
NORMAN J. BOUCHARD
BY
June 19, 1962
3,039,249
N. J. BOUCHARD
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet 2
INVENTOR.
NORMAN J. BOUCHARD
BY
June 19, 1962
N. J. BOUCHARD
3,039,249
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet 3
FIG.5
48
52
O’)
m
INVENTOR.
NORMAN J. BOUCHARD
June 19, 1962
N. J. BOUCHARD
'
Filed June 8, 1959
3,039,249
TAPE WRAPPING MACHINES
8 Sheets-Sheet 4
48
FIG.6
48
INVEN TOR.
NORMAN J. BOUCHARD
June 19, 1962
N. J. BOUCHARD
3,039,249
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet 5
66
FIG.7
52
IN VEN TOR.
—
NORMAN J. BOUCHARD
d
June 19, 1962
3,039,249
N. J. BOUCHARD
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet 6
“m
m
INVENTOR.
NORMAN J. BOUCHARD
BY
éw<w¢zzmmt Mi»?
June 19, 1962
3,039,249
N. J. BOUCHARD
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet '7
-
INVENTORQ
NORMAN J. BOUCHARD
June 19, 1962
3,039,249
N. J. BOUCHARD
TAPE WRAPPING MACHINES
Filed June 8, 1959
8 Sheets-Sheet 8
E‘HIV/'1g7-4A,62‘
INVENTOR.
NORMAN J. BOUCHARD
BY
6W, m-é’o-alm
United States Patent 9 f ice
I
$339,249
Patented June 19, 1%62
2
of a machine of this invention, holding the neck of a bag
3,039,249
Norman J. Bouchard, East Longmeadow, Mass, assignor
TAPE WRAPPING MACHINES
to Minnesota Mining and Manufacturing Company,
St. Paul, Minn., a corporation of Delaware
Filed June 8, 1959, Ser. No. 818,682
5 Claims. (Cl. 53-198)
which has been wrapped by said machine,
FIGURE 5 is a side elevational view of a somewhat
different embodiment of a machine of this invention with
a roll of pressure-sensitive tape mounted therein, showing
the machine in rest position, with part of one side of the
machine broken away, for purpose of clarity,
FIGURE 6 is a side elevational view of the machine
The present invention relates to machines for holding
of FIGURE 5, in operating position, showing the hands
a roll of pressure-sensitive adhesive tape and for dis 10 of the operator holding a bag being wrapped by the ma
pensing a length of tape from such roll to seal or mark,
chine, With part of one side of the machine broken away,
for purpose of clarity.
etc. an article, or to wrap a number of separate articles
to form them into a wrapped bundle.
FIGURE 7 is a plan view of the machine of FIG
A machine of the type to which this invention relates
URE 5, with the tape broken away or removed, for pur
contains a recess, into which the article or articles to be 15 pose of clarity,
wrapped are placed against the adhesive coated surface,
FIGURE 8 is a side elevational view of another dif
near the free end of a supply of tape, ‘and a transporting
ferent embodiment of a machine of this invention with a
shuttle which acts to withdraw tape from the supply and
roll of pressure-sensitive tape mounted therein, showing
to apply it to the article or articles as the shuttle is moved
the machine in rest position with the neck of a bag in
across the recess, over the top of the article. The ad 20 serted therein, and with part of one side of the machine
hesive side of the transported tape adheres to the adhesive
broken away, for purpose of clarity,
side of the free end of the tape, and is then severed, form
FIGURE 9 is a detailed exploded view, in perspective
ing a flag type wrap around the article.
showing the knife of the machine shown in FIGURE 8,
The embodiments of the invention, to be hereinafter
and the bracket in which said knife is mounted,
particularly described, have been adapted for special uti 25 FIGURE 10 is a detailed perspective view of the slide
lity in applying a wrap of pressure-sensitive adhesive tape
channel contained in the machine shown in FIGURE 8,
about the neck of a bag. It will be apparent, however,
FIGURE 11 is a side elevational view of the machine
as this description proceeds, that these machines may be
of FIGURE 8, showing that machine in operating posi
used for other sealing, holding or marking purposes (e.g.,
tion with the neck of a bag inserted therein, and with part
placement of strips of tape about objects for purposes of
of one side of the machine broken away, for purpose of
identi?cation, or to wrap a number of separate articles
clarity,
together, etc.) and that said machines can be adapted or
FIGURE 12 is a view taken along line 12—12 of FIG
modi?ed for more varied usage, without departing from
URE 11, with parts of the machine broken away, or
the inventive concept involved.
shown in section, for the purpose of showing detailed
It has become common practice to pack articles of 35 construction.
produce (such as vegetables, etc.) as well as many other
Referring now to FIGURES l and 3, reference char
articles and objects, in bags most frequently made from
acters 2t} and 21 designate generally parallel side mem
plastic, mesh fabric or paper. The packing of articles in
bers, which are formed with extending side members 20a
such bags is often done by the commercial establishments
and ‘21a attached to the exterior surface of said side mem
which sell them to consumers, so a machine which will 40 bers 20 and 21, and extending rearwardly therefrom.
seal these bags with a great deal of speed and convenience
is desirable. While other machines are available for
Side members 20‘ and 21 are held apart, in spaced rela—
tionship, by nose block 23, and together by bolts 19, which
such use, a machine of the present invention provides a '
4
bolts 19 extend through side members 20 and 21 and nose
new method of quickly and easily sealing these bags with 45 block 23. Extending side members 20a and 21a are piv
tape, and, in the same movement, severing the tape to
otally attached by pin 22; through base block 24, which
complete the wrapping operation.
block is attached to base 299. Tape roll 25 is mounted
A principal object of the present invention is to provide
on hub ‘26 having journal opening 27, and said hub is
a machine whereby a tough, tenacious seal of pressure
rotatably suspended between extenlding side members
sensitive adhesive tape may be quickly and securely ap 50 20a and 21a by pin 18, which is inserted through opening
27 and also through apertures 28 in each of the extending
side members 20a and 21a. This mounting of hub 26
plied about the neck of a bag, or other article. Other ob
jects of the invention are to provide a machine which may
be operated without previous training on the part of the
operator, and which is small and inexpensive enough so
permits the free end of tape roll 25 to be drawn for
wardly without displacement of said roll 25 from the
that relatively large numbers of such machines may be 55 machine. Hub 26 contains spokes 14, which spokes ter
minate in ridges 17 to engage the inner circumference of
Other objects and advantages of the invention will be
‘tape roll 25. Tape roll 25 is mounted in such manner
apparent from the following detailed description of illus
that its adhesive coated surface will face upwardly as the
trative embodiments shown in the accompanying draw
tape T is unwound from roll 25 and drawn forwardly in
ings, in which drawings:
the machine.
FIGURE 1 is a perspective view of a machine of this
Each of the side members 20 and 21 is provided with
invention, with a roll of pressure-sensitive tape mounted
slot tracks 36 and 37 formed in the opposing inner sur
therein, showing the machine in rest position, with one
faces of said side members, and shuttle 30 is slidably held
side of the machine removed, for purposes of clarity.
within said slot tracks 36 and '37. Each of the side mem
FIGURE 2 is a top view of the hands of an operator
65 bers 20 ‘and 21 is also provided with recess 35, which
of a machine of this invention, holding the gathered neck
recess is formed ‘at approximately right angles to tracks
of a bag which is ready to be inserted into and wrapped
36 and 37, and is open through the outer surfaces of side
members 20‘ and 21. Nose block 23 provides a bottom
by a said machine,
FIGURE 3 is a perspective view of the machine of
surface for recess 35 and said nose block extends for
FIGURE 1, in operating position, with the interior parts 70 wardly, between side members 20 and 21, to‘ provide
a surface between said side members, and to form the
of the machine shown in dotted lines,
bottom surface of recess 40, which extends forward from
FIGURE 4 is a top view of the hands of an operator
used in any one commercial establishment.
3,039,249
tached to nose block 23 by screw 16, and said knife
of the bag and falls back across recess 35 in position to
contact another bag to be sealed. The sealed bag will
block 43 provides the forward surface of recess 40‘. Knife
appear as is shown in FIGURE 4.
4-5 is a?ixed horizontally, with its cutting edge facing
toward recess 35, and is positioned so that it is about
midway between the bottom and top of the tracks 36
and 37.
Shuttle 36‘ is pivotally attached by pin 31 to one end
The embodiment shown in FIGURES 5, 6 and 7 is
somewhat different from the embodiment shown in FIG
URES 1 and 3, although the machines are similar in op
eration. The embodiment shown in FIGURES 5, 6 and
7 contains generally parallel side members 50 and 51,
of arm 32, and the other end of arm 32 is pivotally at
which side members are held apart from each other in
across recess 35 into recess 40. Such movement of shuttle
52 to provide means for attaching said base to a table
3t} occur-s when the bag, or other object to which tape is
or such like.
recess 35.
Knife block 43, containing knife 45, is at
tached to base 29 by pin 33. Spring 38 is attached to 10 spaced relationship, and are held together by bolts 53
through stops 56 and 57, by bolts 64- and 69 through nose
arm 32 and to base 29, and acts against arm 32 to hold
block 55 and bolt 58 through shuttle 60. Side members
shuttle 56 against stop 47. Stop 47 is ‘attached to side
'50 and 51 are pivotally attached ‘by bolt 54 to brackets
extensions 20a and 21a through aperture 15 in said side
59, which brackets are attached to base member 52. Re
extensions. Shuttle 30 is provided with horizontal slot
39 at its forward end 34, which slot 39 accommodates 15 silient members 43 are attached to the bottom surface
‘of base 52 and apertures 4? are provided through base
knife 45 when shuttle 30 is moved in tracks 36 and 37,
to be applied, is thrust downwardly into recess 35.
Tension arm 41 is ‘attached by bolts 42 to extending
side members 20a and 21a. Springs 44 on bolts 42 bear
upwardly against the heads on said bolts and downwardly
against tension arm 41.
Springs 44 act to urge tension
Each of said side members 50 and 51 is provided with
a recess 65, and nose block 55 is shaped to the form of
said recess. Nose block 55 provides the rear, bottom and
front surfaces for recess 65 between side members 56‘
and ‘51. Nose block 55 is attached to side members 50
and 51 by bolts 64 and 69. Knife 67 is attached to
arm 41 in the downward direction, forcing the tip 46
of tension arm 41 against the top of shuttle 30‘, to pre 25 nose block 55 by screw 66, and said knife is formed with
slot 68, so it may be raised or lowered to vary the timing
vent the tape T (which lies, adhesive side up‘, between
of the cutting action.
tip 46 and shuttle 30) from moving toward tape roll 25,
Shuttle 60 is pivotally mounted on bolt 58, and said
as will be described more fully hereinafter.
shuttle is curved toward its leading edge 61. Leading
In readying this machine for use, the leading end of
edge 61 of shuttle 60 contains horizontal slot 62. Arm
tape T from roll 25 is passed forwardly between side
7% is pivotally attached at one end by pin 71 to bracket
extensions 20a and 21a and side members 20- and 21,
72, which bracket is a?ixed to base 52. The other end
along the top of shuttle 30, under the tip 46 of tension
of arm 75 is attached by pin 73 to shuttle 65. Spring 63
arm 41, and across recess 35 to the front of the machine.
is attached to shuttle 60 and to bolt 69, and acts to urge
When it is desired to seal a bag, for example, the neck
shuttle 66 against stop 56. Stops 56 and 5-7 are attached
of the bag is gathered, as shown in FIGURE 2, and the
to ‘side members 5% and 51 by bolts 53. Finger member
operator then holds the bag at substantially right angles
to the machine. The bag neck is then pressed into recess
35 against the adhesive surface of tape T. Said bag neck,
thus being moved, will push the tape strip ahead of it,
75 is attached by screw 76 to arm 70 and extends upward
and forward therefrom, forming knuckle 77 at the upper
most surface of said ?nger 75.
Each side member '50 and 51, at its trailing edge, is
provided with slot 79. Tape roll 86, mounted on hub 81
having shaft 82 is rotatably suspended between side mem
bers 5t} and 51 by lodgement of the projecting end por
tions 78 of shaft 82 into slots '79. Said slots are inclined
said recess 35.
to permit the tape T to be drawn forwardly from roll {50
When the bag neck is pressed into contact with the
bottom of recess 35, ‘and the operator continues to apply 45 without displacement of said roll 80‘ from the machine,
and pivotable latches 74 aid in holding projecting end
downward pressure ‘against the bag, side extensions 20a
portions 78 in slots 79. Tape roll 80‘ is mounted in such
and 21a, and sides 20 and 21, will be caused to be pivoted
manner that its adhesive coated surface will face upwardly
on pin 22, and moved toward base 29. As shown in
as tape T is unwound from roll 80 and drawn forwardly
FIGURE 3, this movement will cause shuttle 30 to be
moved forwardly, by action of arm 32 which pivots on 50 in the machine. Hub '81 contains spokes with ridges 83
to engage the inner circumference of roll 80 more ?rmly.
pins 31 and 33. During this forward movement, the
Corrugated roller 85 is rotatably mounted between
forward end 34 of ‘shuttle 30 bears against the tape T
sides 59 and 51 on bolt 86, and is prevented from rotat
which is held between the neck of the bag and tip 46
ing in a clockwise direction (as the machine is viewed
of tension arm 41. Thus, shuttle 30 moves in a straight
line, in tracks 36 and 37, carrying tape T across recess 55 from the side shown in FIGURES 5 and 6), by metallic
strip 87, keyed into apertures 89 in side members 50 and
35, above the neck of the bag, toward recess 40. As
51. Tip 38 of metallic strip 37 rides upon corrugations
the adhesive side of the tape T which is carried by shuttle
84 in roller 85 when that roller moves in a counter
36 contacts, and adheres to, the adhesive side of the free
clockwise direction. However, tip 88 is wedged between
end of the tape lying on the other side of the neck of
the bag, a seal is formed around the neck of the bag. 60 adjacent corrugations to prevent movement if said roller
is urged in a clockwise direction.
The tape is then severed by knife 45 as said knife moves
into horizontal slot 39‘ as shuttle 30 continues to move
In readying this machine for use, tape T, from roll
into recess 40. The forward movement of shuttle 30 is
80 is passed forwardly, sticky side up, between side mem
stopped when forward end 34 of shuttle 30 bears against
bers 50 and 51 to and along the top of shuttle 60, under
65 roller 85 and across recess 65. Referring now to FIG
knife block 43.
The operator then releases the pressure against the bag,
URE 6, to seal the neck of bag B, said bag is held at
and spring 58, which was extended during the forward
right angles to the machine and inserted into recess 65
movement of shuttle 3ft, acts against arm 32 to return
and forced downwardly against the adhesive surface of
said shuttle 30 to its rest position against ‘stop 47. The
the tape strip, to the bottom of said recess ‘65. The free
tape T ‘is prevented from rearward movement, with shuttle 70 end of the tape will project upward ‘along the forward
35, due to the downward pressure against said tape by tip
to the bottom of recess 35. Thus the free end of the tape 40
will extend upwardly along the forward surface of recess
35, and the tape will extend ‘around the underside of the
bag neck and thence upwardly along the rear surface of
surface of recess 65, and the held end of the tape will ex
tend
upward along the rear surface of recess 65. Con
recess 35, and when the sealed bag is withdrawn from
tinued pressure against said bag will move sides 50 and
recess 35 it is moved upward against the nonadhesive side
of the tape. The tape is pushed upward by the withdrawal 75 51 toward base 52, and this movement will cause shuttle
46 of tension arm 41.
The tape T thus remains across
3,039,249
5
60 to be pivoted about bolt 58 by the action of arm 70
bearing upwardly against said shuttle, against pins 71 and
73. The pivotal movement of shuttle 60 moves the tape
T, which lies between shuttle ‘60 and roller 85. This
occurs as the leading edge 61 of shuttle 60 bears for
lwardly and downwardly against tape T, causing said tape
to slide along the upper and leading edge surfaces of
6
strip 106 to ride upon corrugations 112 in roller 105 when
said roller is moved in a counter-clockwise direction.
However, tip 111 is wedged between adjacent corruga
tions to prevent movement of roller 105 in a clockwise
direction. The tape T is thus prevented from moving
between the rollers 104 and 105, toward the tape roll 100.
said shuttle as the shuttle is moved across recess 65,
After passing between rollers 104 and 105, tape T is
threaded into slide channel 110 and the tape passes along
forward movement of arm 70 moves ?nger 75, with
rearward end 113 of retainer 115.
the floor of said channel toward the front of the machine.
above the bag.
After the leading edge 61 of shuttle 60 has moved 10 Slide channel 110 is pivotally mounted between side mem
bers 90 and 91 by pin 114, which is attached to said side
across recess 65, the adhesive side of tape T, carried by
members. As shown in FIGURE 10, slide channel 110
leading edge 61 of shuttle 60, is brought into contact with
contains retainer 115, and said retainer is pivotally
the adhesive side of the free end of tape which is held on
mounted by extensions 116 which extend into slots 117
the other side of the neck of bag B, and said adhesive
surfaces adhere together, forming a seal around the bag. 15 in the side of slide channel 110. The forward end 118
of retainer 115 is urged in the downward direction by
At about this stage of the wrapping operation, the back
spring 119. Spring 119 is attached to pin 120 and to the
of the tape T contacts knuckle 77 on ?nger 75, and the
Pin 120 is attached‘
to side members 90 and 91 and spring 119 acts to urge
knuckle 77, forwardly, toward the front of the machine,
stripping tape from tape roll 80 during the continued 20 the rear 122 of slide channel 110 upwardly, and, at the
movement of shuttle 60 and arm 70. Continued down
ward pressure on the article will cause shuttle 60 to con
tinue its motion and to engage knife 67 into slot 62 in
the leading edge 61 of shuttle 60, severing the tape.
same time, urges the front 123 of slide channel 110
downwardly, by action of the forward end 118 of retainer
115 against the bottom of said retainer. The pivotal
movement of slide channel 110 is impeded by the edges
Shuttle 60 Will then bear ‘against stop 57, and the motion 25 of slots 121 in slide channel 110, which edges bear against
pin 120. The forward end 118 of retainer 115 bears
of the parts of the machine will be stopped.
downwardly against the tape T to hold said tape along the
The pressure on the bag is then released, and spring
bottom surface of slide channel 110.
63 acts to return shuttle 60 to its rest position against
Recess 125 is formed in the upper forward surface of
stop 56, raising sides 50 and 51 away from base 52. The
tape is prevented from rearward movement with shuttle 30 side members 90 and 91, and receiving block 127 is
attached by screws 126 to, and between, said side mem
60 by action of metallic strip 87 against roller 85, as
,bers 90 and 91. Receiving block 127 extends beneath
described above. The wrapped bag is then removed from
recess 125, and adapter 128 is attached to receiving block
recess 65 and the tape T is in position, across recess 65, '
127 by screws 129. Adapter 128 can be removed, by re
ready for the next article to be wrapped.
The machine shown in FIGURES 8, l1 and 12 is an 35 moving screws 129, to increase the depth of recess 125,
when articles of more bulk are to be wrapped. Tape T
other slightly different embodiment of the present inven
is threaded from slide channel 110 across recess 125,
tion. The principal difference in this machine, from the
over adapter 128, and onto the upper surface of receiving
previously described machines, is that the knife is carried
block 127 when the machine is prepared for use.
on the shuttle, rather than affixed to the supporting struc
Shuttle 130 is composed of spaced parallel shuttle bars
ture of the machine. Also, certain other modi?cations 40
131 and 132, and is mounted between side members 90
have been made in order to obtain certain advantages
and 91 on pins 133 and 134. Pin 133 is attached to
from my novel principal for the operation of such ma
shuttle bars 131 and 132 and to lever 135, which lever
chines.
extends upwardly between shuttle bars 131 and 132 to
Referring now to FIGURE 8, the embodiment shown
will be seen to include generally parallel side members 45 form cam 142. Lever 135 is pivotally attached to sides
90 and 91 by bolt 136, and lever 135 is also pivotally
90 and 91, which are held in upright position and to
attached to parallel arm members 137 and 138 by pin
gether in spaced relationship by bolts 92, 136 and 157.
139. Arm members 137 and 138 are pivotally attached
Side members 90 and 91 are pivotally attached to bolt
at their other ends by pin 147 to bracket 140, which
93. Bolt 93 is attached through brackets 95 and 96,
and said brackets are attached to base member 98 by 50 bracket is attached by screws 148 to base 98.
Slide 141 is retained on shuttle 130, between shuttle
screws 97. Base member 98 is supported by resilient
bars 131 and 132, by pins 143 and 144. As shown in
members 94 which are attached to the bottom surface
FIGURES 8 and 12, pins 143 and 144 are attached to
of base 98. Post 99 is also pivotally attached to bolt 93,
bars 131 and 132 through track 145 in slide 141, so
and extends upwardly therefrom to support tape roll 100.
Tape roll 100 is mounted on hub 101, and bolt 102 is 55 slide 141 is movable along said pins, along said track
145. Spring 146 is inserted in track 145 so that it bears
inserted through hub 101 and post 99, rotatably attaching
against the rear of said track and against pin 144. Spring
hub 101 to post 99. Hub 101 is provided with ridges 103
146 acts to urge slide 141 rearwardly, so that the front
to engage the inner circumference of tape roll 100 more
of track 145 rests against pin 143. Knife 150‘ is al?xed
?rmly. As shown in FIGURE 12, post 99 is bent to ac
commodate the periphery of tape roll 100, and said tape 60 to the forward end of slide 141 by screw 149. Roller
151 is retained between shuttle bars 131 and 132 by pin
roll is mounted in such a manner that the adhesive coated
152, and bracket 153 is suspended from pin 152, be
surface of tape T will face upwardly and be aligned to
low roller 151. As shown in FIGURES 8 and 9, knife
pass between the sides 90 and 91 as the tape is unwound
150 is retained within bracket 153 and is moved through
from the roll.
As the tape passes forwardly from the roll 100 it is 65 said bracket by movement of slide 141.
Link member 155 is pivotally attached between shuttle
threaded between rollers 104 and 105, which rollers are
bars 131 and 132 by pin 134 at one end. The other
rotatably attached to side members 90 and 91. Roller
end of said link member is pivotally attached to side
104 is a smooth surfaced roller, but the peripheral sur
members 90 and 91 by bolt 157. Parallel connecting
face of roller 105 contains corrugations 112. Roller 105
is prevented from rotating in a clockwise direction (as the 70 bars 158 and 159 are pivotally attached, at their forward
end, to link member 155 by pin 154, and said connecting
machine is viewed from the side shown in FIGURES 8
bars are attached at their rearward end to post 99 by
and 11 by metallic strip 106, keyed into apertures 107
pin 156. Spring 160 is attached to link member 155
in side members 90 and 91. Spring 108 is mounted in
and adjustable pin 161. Pin 161 is attached to side
apertures 109 in sides 90 and 91 and ‘bears downward
against the top surface of strip 106, causing tip 111 of 75 members 90 and 91 through aperture 162. Pin 161
3,039,249
7
8
can ‘be moved into any of the three positions in aper
the roll, since the tape which has passed between rollers
104 and 105 is prevented from moving toward tape roll
1% by action of metallic strip 106 against roller 105.
ture 152, thereby adjusting the tension applied against
spring 169. When the machine is in its rest position,
as is shown in FIGURE 8, the action of spring 160
against link member 155 will cause shuttle 13st} to be
held rearwardly, until the rear surface of the upper
part of lever 135 bears against stop 163, which stop is
Thus tape which was moved ‘forwardly during the wrap
ping operation is retained in that forward position, and
when the machine is returned to its rest position, tape
will overlie recess 125 and receiving ‘block 127, ready
for the next article to ‘be wrapped.
attached to, and between, side members 90 and 91 by
bolt 92.
Variations in the operation of the above described
In the operation of this machine, with the tape T 10 embodiments undoubtedly suggest themselves, and vari
threaded as described above, the article to be taped,
ous modi?cations of my machine, embodying some or
here the neck of a bag B as shown in FIGURES 8 and
all of the novel ‘features herein disclosed, can be en
visioned. Such variations are comprehended, and I do
11, is held by the operator at substantially right angles
not intent to be limited only to the speci?c embodiments
to the machine, and then pressed into recess 125 and
downwardly against the adhesive side of the tape T.
herein described, but, rather, I intend to be limited only
by my disclosure taken as a whole, including the ap
Thus, the free end of the tape will extend upwardly,
pended claims.
against the front surface of recess 125, and the held
portion of the tape will extend between the bag B and
What I claim is:
1. In a machine for wrapping articles with adhesive
the forward end 123 of slide channel 111}, as shown in
FIGURE 8. Continued downward pressure against the r tape, a supporting structure including a recess adapted
article B will force the tape T and the article B against
to receive an article to be wrapped, a reciprocable shuttle
adapter 128, and sides 90 and 91 will move in down
mounted for movement across said recess. and back,
ward pivotal movement, about bolt 93. The movement
means for actuating said shuttle across said recess and
of sides ‘)0 and 91 will cause the downward movement
over said article for transporting adhesive tape to be
of bolts 136 and 157, and the action of arm members
applied to said article, and means ‘for returning said
137 and 138, against pin 139 and pin 147 causes lever
shuttle back across said recess.
135 to pivot on bolt 136. The pivotal movement of
2. In :a machine for wrapping an article with adhesive
lever 135 about bolt 136 moves the top of said lever
tape, wrapping means comprising a supporting structure
in a clockwise direction, carrying pin 133, and the for
including a recess for holding said article against the ad
ward end of shuttle 130, in a slightly upward and for 30 hesive surface of said tape, reciprocable shuttle means
ward direction. The movement of shuttle 130 carries
mounted for movement across said recess and back, said
pin 134 forwardly, causing link member 155 to pivot
shuttle means upon actuation transporting a supply of
about bolt 157, against the action of spring 160, which
tape across said recess and over said article, means for
action causes connecting ‘bars 158 and 159 to move for
returning said shuttle means back across said recess to
wardly, pivoting post 99 in a clockwise direction about
its initial position and means for severing said tape after
bolt 93.
it has been transported over said article.
As shuttle 130 is carried slightly upward and for—
3. A machine for wrapping articles with adhesive tape,
ward, roller 151 on pin 152 is forced against the tape
said machine comprising a supporting structure pivotally
T, and the tape is carried forwardly by roller 151 on
attached to a base member, said supporting structure
said shuttle, stripping tape through slide channel 110 4:0 including a recess adapted to receive a length of tape
and rollers 1G4 and 105, as shuttle 13%) moves across
from 1a supply thereof and then to hold an article to be
recess 125, above the bag B. As shown in FIGURE 11,
wrapped, means ‘for transporting additional tape across
during this movement of shuttle 136, the upper surface
said recess, over said article, means for severing said
of said shuttle moves upwardly against the front 123 of
tape after it has been transported over said article,
slide channel 110, causing slide channel 110 to pivot on 45 and means for urging said supporting structure away
pin 114, and spring 119 acts to hold the front end 123‘
from said base member; said transporting means com
of slide channel 11-1} against the upper surface of shuttle
prising a shuttle reciprocally movable across said recess,
130. When the tape carried by shuttle 130 is trans
said severing means comprising a slot and a knife blade,
ported beyond recess 125, the adhesive side of the tape
said knife blade being engageable into said slot during
carried by shuttle 130 contacts the adhesive side of the 50 the movement of said shuttle, said urging means com
free end of the tape, and the adhesive surfaces of the
prising a spring, linkage being provided whereby move
tape adhere to each other. At this point in the wrap
ment of said supporting structure in relation to said
ping operation, the action of lever 135 on pin 133 causes
base member
cause movement of said shuttle.
the forward end of shuttle 13%) to move slightly down
4. A machine for wrapping articles with adhesive tape,
ward and forward, toward receiving block 127. As 55 said
machine comprising a supporting structure pivotally
shown in FIG. 11, after the tape surfaces have adhered,
attached to a base member, said supporting structure
cam 142 on lever 135 begins to bear against the rear
including a recess for holding an article to be wrapped,
surface of slide 1411, moving said slide forwardly, against
said recess being adapted to receive a length of tape from
the force of spring 146. The forward movement of
slide 141 causes knife 15% to move forwardly in bracket 60 a supply thereof and then to receive an article to be
wrapped, means for transporting an additional length
153. As slide 1411 moves forward, knife 15% is moved
of tape, from said supply, across said recess, over said
outwardly through bracket 153 and against the tape car
ried over roller 151, severing said tape and forming a
flag type wrap around the bag B.
article, means for severing said tape after it has been
transported over said article, means for urging said sup
porting structure away from said base member, means
Lever 135 pivots on belt 136 until the rear surface of 65
for stripping adhesive tape from a supply thereof, and
means for preventing the movement of said tape toward
ping the downward movement of sides 99 and 91. The
the lower part of said lever bears against stop 163, stop
said supply during the operation of said machine; said
operator then releases the downward pressure against
transporting means comprising a shuttle against which
the article and spring 169 acts to return the moving
parts to their original rest positions.
70 a length of tape is held, said shuttle being pivotally at
tached to said supporting structure, whereby said shuttle
The forward movement or" post 955 has moved tape
will move across said recess when said supporting struc
roll 1% in that direction, in order that it not be neces
ture is. caused to move, said severing means comprising
sary to strip tape from said roll during the forward
a slot ‘and a knife blade, said knife blade being engage
movement of shuttle 130. However, when post 99‘ is
returned to its original position, the tape is stripped from 75 able into said slot during the movement of said shuttle,
3,039,249
9
it)
said urging means comprising a spring, said preventing
ing means comprising a movable shuttle pivotally linked
to said supporting structure; said severing means com
prising a knife-bearing slidable member attached to said
shuttle; said urging means comprising a spring; said strip
ping means including a post attached to said supporting
means including an element attached to said machine in
position to bear against said tape to prevent movement
thereof as said supporting structure is caused to move
away from said base member.
5. A machine for Wrapping articles with adhesive tape,
structure, linkage being provided between said post and
said machine comprising a supporting structure pivo-tally
said supporting structure whereby movement of said sup
attached to a base member, said supporting structure in
porting structure will cause tape-stripping movement of
eluding a recess for holding an article over and in contact
said post.
with the adhesive surface of said tape, means for trans 10
porting adhesive tape across said recess, over said article,
means for severing said tape after it has been transported
over said article, means for urging said supporting struc
ture away ‘from said base member, means for stripping
adhesive tape from a supply thereof, means for prevent 15
ing the movement of said tape toward said supply during
the operation of said machine, and means for guiding
said tape against said transporting means; said transport
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,741,885
2,787,102
2,841,935
2,882,663
2,916,863
Allison ______________ __ Apr. 17,
Kreuger _____________ __ Apr. 2,
Kreuger _____________ __ July 8,
Leighton _____________ __ Apr. 21,
Leighton ____________ __ Dec. 15,
1956
1957
1958
1959
1959
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